During the Republican debate Wednesday night, Twitter users could do more than just talk about the candidates, they could actually donate to their campaigns, CNET reports.

Twitter announced on Tuesday that it is partnering with mobile-payments company Square to allow Twitter users in the U.S. to donate to political campaigns with a simple tweet.

Twitter says the new feature is one of the easiest ways for its users to contribute to a presidential campaign. The 2016 race has already been heavily debated and discussed on Twitter. 

"When people have conversations about politics, they have them on Twitter," the company said in a blog post. "It's what voters learn and share in these conversations that routinely motivates political action. That's why we're making it easier for Twitter users to actively support candidates and causes." 

Politicians have tried to tap into mobile devices as a way to get donations in the past. Before the new feature was added to Twitter, politicians could include a link in their tweets and ask for donations, but this link would take users out of the Twitter app.

"Essentially the number one question we've been getting from campaigns since early 2012 was, 'When are you going to allow for candidates and committees to be able to accept donations in a tweet?'" Jenna Golden, head of political advertising sales at Twitter, told Marketplace.

Twitter's current interim CEO is Jack Dorsey. Dorsey is also the chief executive of Square. Investors are wondering if Dorsey can handle both companies at the same time.

The new donation feature allows politicians to set up a link through Square Cash to ask for and accept donations. The link is called a $Cashtag, and when Twitter users see $Cashtag links they will be able to contribute to campaigns. Users can also send this $Cashtag link to their followers to encourage them to donate to the campaign.

At least 12 politicians have already started using the donation feature on Twitter, including Democrats Bernie Sanders and Hillary Clinton and Republicans Scott Walker and Mike Huckabee.